Sealing device for sealing a receptacle

Abstract

The present disclosure relates to a sealing device ( 1 ) for sealing a receptacle, the sealing device comprising: —a base ( 3 ) comprising a discharge conduit ( 8 ), —a valve ( 4 ) mounted on the base, the valve comprising a discharge pipe ( 10 ) at least partially protruding in the discharge conduit of the base and an end mounted on an upstream end of the discharge pipe, —wherein the end of the discharge pipe is configured to, at least in one mode of the sealing device, cooperate with the discharge conduit to thereby seal the discharge conduit of the sealing device, —wherein the base is configured to be mounted on a receptacle, —the base and the valve are integrally connected at a portion of the sealing device remote from the discharge conduit.

The invention claimed is: 
     
       1. A sealing device for sealing a receptacle, the sealing device comprising:
 a base structured to be mounted to the receptacle, the base comprising a radially protruding base collar, and a sleeve forming a discharge conduit; 
 a valve comprising a radially protruding valve collar, wherein when the base is mounted to the receptacle, the receptacle is located upstream of the valve and a discharge direction of the receptacle defines a downstream direction, opposite an upstream direction; and 
 a ring fixedly attached to the base collar by a weld or glue or integrally formed with the base collar, wherein:
 the base collar and the valve collar define a portion of the sealing device remote from the discharge conduit, 
 the valve further comprises comprising discharge pipe at least partially protruding in the sleeve and being axially movable therein in the upstream direction and the downstream direction for opening and closing the valve, 
 the valve is attached to the base at the portion of the sealing device remote from the discharge conduit, and 
 the ring fixes the valve collar to the base collar by clamping or via a weld or glue. 
 
 
     
     
       2. The sealing device according to  claim 1 , wherein:
 the base comprises a tubular base wall and the valve comprises a tubular attachment wall, 
 the tubular attachment wall of the valve is configured to be arranged over the tubular base wall of the base, 
 the tubular attachment wall is configured to be attached to the tubular base wall at a portion remote from the discharge conduit, and 
 the tubular base wall of the base is configured to snugly fit inside the tubular attachment wall of the valve. 
 
     
     
       3. The sealing device according to  claim 1 ,
 wherein the base comprises a stationary base housing comprising at least a partition wall and a tubular base wall, the valve comprises a stationary valve housing to be attached the base housing, and the stationary valve housing comprises a tubular attachment wall, and 
 wherein the valve is attached with a lowermost portion of the tubular attachment wall to the tubular base wall of the base, the valve being attached with the lowermost portion of the tubular attachment wall to a lowermost portion of the tubular base wall of the base. 
 
     
     
       4. The sealing device according to  claim 1 , wherein the base comprises a partition wall and a tubular base wall, the partition wall comprising an annular axial rim creating a gap between an outer side of the partition wall of the base and an inner side of an outer tubular wall and a flexible wall so as to provide sufficient space for the discharge pipe to be moved in axial direction. 
     
     
       5. The sealing device according to  claim 1 ,
 wherein a base collar extends along an entire circumference of the base along a circumferential bottom edge of a tubular base wall of the base, and/or 
 wherein a valve collar extends along an entire circumference of the valve along a circumferential bottom edge of a tubular attachment wall of the valve. 
 
     
     
       6. The sealing device according to  claim 1 , wherein:
 the base collar is attached directly to the valve collar, or the base collar is attached indirectly to the valve collar via a ring-shaped attachment. 
 
     
     
       7. The sealing device according to  claim 1 , wherein the ring is pivotably attached to or pivotably formed with the base collar or the valve collar. 
     
     
       8. The sealing device according to  claim 1 , wherein the base collar comprises one or more welding elements configured to connect to the ring via an ultrasonic weld. 
     
     
       9. The sealing device according to  claim 1 , wherein:
 the base collar is provided with one or more welding elements pointing in a downstream direction of the sealing device, and 
 the welding elements are configured to be welded to a side of the valve. 
 
     
     
       10. The sealing device according to  claim 1 , wherein:
 one or more of the following is provided with one or more connection elements: the base, the base collar, the valve collar, or an upstream side of the valve, 
 a portion of the base, the base collar, the valve collar, and/or the upstream side of the valve is provided with one or more connection holes, 
 the connection holes are provided in the portion of the base, the base collar, the valve collar, and/or the upstream side of the valve that is opposite to a position where the one or more connection elements are arranged, 
 the connection holes are configured to allow the connection elements to protrude through the connection holes, and 
 the connection holes and connection elements are configured to co-operatively fix the valve to the base. 
 
     
     
       11. The sealing device according to  claim 1 ,
 wherein the fixes the valve collar to the base collar in a click-like-manner. 
 
     
     
       12. The sealing device according to  claim 1 , wherein the sealing device is configured to allow movement of the discharge pipe between different positions, including:
 a closed utility position; and 
 an open utility position, wherein:
 in the closed utility position, the sealing device is configured to provide a seal, 
 in the open utility position, the sealing device is configured to provide a substantially free liquid passage through the discharge conduit, 
 the different positions may additionally comprises a closed storage position, and 
 the valve of the sealing device is more firmly held in the closed storage position than in the closed utility position. 
 
 
     
     
       13. The sealing device according to  claim 1 , wherein:
 the discharge pipe comprises a sealing body of a radially flexible arrangement, the sealing body being configured to cooperate with the sleeve for opening and closing of the discharge conduit, 
 the discharge pipe is configured to be axially movable between:
 a storage position wherein the discharge pipe has been moved in the downstream direction to contact a storage seal seat of the sleeve to close the discharge conduit, 
 an open utility position wherein the discharge pipe has been moved in upstream direction to open the discharge conduit, and 
 a closed utility position, arranged between the storage position and the open utility position, wherein the discharge pipe has been moved to contact a utility seal part of the sleeve to close the discharge conduit, 
 
 the utility seal part comprises at least one of an end seal seat and an internal ring-shaped seal portion of the sleeve to be contacted by the sealing body of an axially movable discharge pipe to seal off the discharge conduit, and 
 the valve comprises a resilient valve part configured to move the valve relative to the base from an open utility mode to a closed utility mode after an external force is relieved, the external force having moved the valve from the closed utility mode to the open utility mode. 
 
     
     
       14. The sealing device according to  claim 1 , wherein:
 the base comprises a plurality of base anti-rotation grooves extending in a direction parallel to the downstream direction in an inner portion of the base, and 
 the base anti-rotation grooves are configured to cooperate with spout anti-rotation grooves of a spout whereon the sealing device can be mounted. 
 
     
     
       15. An assembly of the sealing device according to  claim 1  and a receptacle, wherein:
 the sealing device is mounted on the receptacle, 
 the receptacle comprises a spout, 
 a base of the sealing device comprises a plurality of base anti-rotation grooves extending in a direction parallel to the downstream direction of the sealing device and being arranged in an inner portion of the base, 
 the spout comprises spout anti-rotation grooves, and 
 the base anti-rotation grooves are configured to cooperate with the spout anti-rotation grooves of the spout whereon the sealing device is mounted. 
 
     
     
       16. A method of producing a sealing device, the method comprising:
 providing a base, a valve, and a ring that jointly form a sealing device; 
 arranging the valve on the base, wherein:
 the base comprises a radially protruding base collar and a sleeve forming a discharge conduit, 
 the valve comprises a radially protruding valve collar, a discharge pipe at least partially protruding in the discharge conduit of the base, and an end wall mounted on an upstream end of the discharge pipe, 
 the base collar and the valve collar define a portion of the sealing device remote from the discharge conduit, 
 the end wall of the discharge pipe is configured to, at least in one mode of the sealing device, cooperate with the discharge conduit to thereby seal the discharge conduit, 
 the ring is fixedly attached to the base collar by a weld or glue or is integrally formed with the base collar, 
 the base is configured to be mounted on a receptacle, and 
 when the base is mounted to the receptacle, the receptacle is located upstream of the valve and a discharge direction of the receptacle defines a downstream direction, opposite an upstream direction; and 
 
 fixedly attaching the valve to the base at the portion of the sealing device remote from the discharge conduit, wherein the ring fixes the valve collar to the base collar by clamping or via a weld or glue. 
 
     
     
       17. The method according to  claim 16 , wherein:
 producing the sealing device is performed at a manufacturing site, and 
 an attachment of the sealing device to the receptacle is performed at an assembly site, remote from the manufacturing site. 
 
     
     
       18. The sealing device according to  claim 1 , wherein:
 the ring comprises a portion configured to cover at least a portion of the valve collar in an axial direction of the sealing device, and 
 the valve collar is surrounded by the portion configured to cover at least the portion of the valve collar so that axial and rotational movement of the valve collar with respect to the base collar is prevented. 
 
     
     
       19. The sealing device according to  claim 6 , wherein the ring-shaped attachment comprising a clamping ring.